阅读说明：本技术 一种铺布机上辅助定位瑕疵裁片的装置及方法 (Device and method for assisting in positioning defective cut pieces on cloth paving machine ) 是由 川上成司 平永明 于 2021-02-23 设计创作，主要内容包括：本发明公开了一种铺布机上辅助定位瑕疵裁片的装置及方法,其装置包括铺布机本体,铺布机本体上设置有裁切装置,所述裁切装置上设置有电脑控制系统,所述铺布机本体上设置有可竖直调节高度的调节机构,所述调节机构上设置有投影仪,所述投影仪与电脑控制系统电连接,所述调节机构与电脑控制系统电连接,减少对瑕疵衣片的处理时间,提高正常裁片的流转效率,同时减少人员和场地的投入成本；其方法包括设置数据,投影并扫描,判断并输出结果,从而就简化瑕疵裁片的定位和处理流程,且全程有电脑控制系统自动完成,提高工作效率,减轻劳动力。(The invention discloses a device and a method for assisting in positioning defective cut pieces on a cloth paving machine, wherein the device comprises a cloth paving machine body, a cutting device is arranged on the cloth paving machine body, a computer control system is arranged on the cutting device, an adjusting mechanism capable of vertically adjusting the height is arranged on the cloth paving machine body, a projector is arranged on the adjusting mechanism, the projector is electrically connected with the computer control system, the adjusting mechanism is electrically connected with the computer control system, the processing time of defective cut pieces is reduced, the circulation efficiency of normal cut pieces is improved, and meanwhile, the input cost of personnel and fields is reduced; the method comprises the steps of setting data, projecting and scanning, judging and outputting results, so that the positioning and processing flows of the defective cut pieces are simplified, the whole process is automatically completed by a computer control system, the working efficiency is improved, and the labor force is reduced.)

1. The utility model provides a device of auxiliary positioning flaw cut-parts, is provided with cutting device including spreading the cloth machine body on spreading the cloth machine body, the last computer control system that is provided with of cutting device, its characterized in that: the cloth paving machine is characterized in that an adjusting mechanism capable of vertically adjusting the height is arranged on the cloth paving machine body, a projector is arranged on the adjusting mechanism, the projector is electrically connected with a computer control system, and the adjusting mechanism is electrically connected with the computer control system.

2. The device of claim 1, wherein the flaw panel is positioned by: the cloth spreading machine is characterized in that the adjusting mechanism comprises a driving chain wheel, a driven chain wheel and a driving motor, a main shaft of the driving motor is connected with the driving chain wheel, a transmission chain is arranged between the driving chain wheel and the driven chain wheel, a guide rod is fixed on the cloth spreading machine body, an adjusting plate is arranged on the transmission chain, the adjusting plate is connected with the guide rod in a vertical sliding mode, a supporting rod is arranged on the adjusting plate, and the projector is connected with the supporting rod.

3. The device of claim 2, wherein the flaw panel is positioned by: the adjusting plate is rotatably connected with two guide wheels, and the two guide wheels are respectively positioned on two sides of the guide rod and are in rolling connection with the guide rod.

4. The device of claim 3, wherein the flaw panel is positioned by: the cloth spreading machine is characterized in that a tensioning mechanism is arranged on the adjusting mechanism and comprises an eccentric tensioning wheel, the driven chain wheel is sleeved on the eccentric tensioning wheel and is rotationally connected with the eccentric tensioning wheel, and the eccentric tensioning wheel is rotationally connected with the cloth spreading machine body.

5. The device of claim 4, wherein the flaw panel is positioned by: the projector is rotatably connected with the supporting rod, and the rotating axis is perpendicular to the cloth spreading direction.

6. A method of locating defective panels on a cloth laying machine, comprising the use of a device for assisting in locating defective panels according to any of claims 1 to 5, characterized by the steps of:

s1, setting laying data of a current fabric and data of garment pieces to be cut on a computer control system, setting a coordinate graph by taking a fabric plane as a reference plane, and controlling an adjusting mechanism to adjust the vertical height of a projector;

s2, starting the cloth paving machine to pave cloth, receiving a projection signal of the computer control system by the projector, and enabling the cut piece layout to be 1: the proportion of 1 is projected on the laid fabric, the surface of the fabric is scanned, projection scanning is carried out after each layer of fabric is laid, and then scanning data are uploaded to a computer control system for analysis;

when a flaw is scanned, the computer control system records the position data of the flaw on a rectangular coordinate, namely (X1, Y1);

if the coordinate of the flaw point is positioned on the fabric of the effective garment piece, the computer control system outputs the data of the garment piece where the flaw point is positioned, stores the data of the garment piece and the data of the position of the flaw point, and then informs an operator;

and if the coordinate of the flaw point is not on the fabric of the effective garment piece, the computer control system directly stores the flaw point data.

7. The method of locating defective panels on a cloth laying machine according to claim 6, characterized in that: in step S1, the current fabric laying data includes a total number P of fabric laying layers and a laying size, the panel data includes a panel number Q and panel sizes X2 and Y2, and the adjustment mechanism adjusts the height according to the number of the current fabric laying layers.

8. The method of locating defective panels on a cloth laying machine according to claim 7, characterized in that: when the cloth paving machine in the step S2 lays a section of fabric with the length of L, the projector projects and scans the typesetting drawing with the length of L.

Technical Field

The invention belongs to the technical field of cloth paving machines, and particularly relates to a device and a method for assisting in positioning defective cut pieces on a cloth paving machine.

Background

A cloth spreader is a machine that uses machinery to spread and cut cloth. The cloth is widely used in modern clothing industry, and when the cloth paving machine is used, the whole roll of clothing fabric is pulled out by a proper length and is paved, and then the clothing fabric is cut by a cutting device and is cut into various size standard cloth according to requirements. During the processes of textile, printing and dyeing, storage and transportation, the garment fabric inevitably generates defects, such as yarn skipping, holes breaking, stains, color difference and the like. These defects are likely to be located on a certain piece of clothing during the cutting process, and if the defective pieces are not picked out before sewing, the quality of the whole piece of clothing is reduced, and even the whole piece of clothing is directly scrapped.

At present, most garment enterprises manually check cloth before cloth paving, mark the positions of defects if the defects are found, and then lay and cut the cloth. In order to pick out the defective cut pieces, a process of checking, repairing and replacing the cut pieces is added before sewing. And (4) picking out the defective garment pieces, additionally cutting a garment piece with the same size as the picked garment piece, filling the garment piece in the corresponding position, and then sending the garment piece to a sewing workshop for sewing. According to the process flow, the processing time of the defective cut pieces is long, the circulation efficiency of normal cut pieces is reduced, and the investment cost of personnel and sites is increased.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a device and a method for assisting in positioning defective cut pieces on a cloth paving machine, which can improve the processing time of the defective cut pieces and improve the circulation efficiency of normal cut pieces.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a device of assistance-localization real-time flaw cut-parts, is provided with cutting device including spreading the cloth machine body, be provided with computer control system on the cloth machine body of spreading, but be provided with vertical height-adjusting's adjustment mechanism on spreading the cloth machine body, the last projecting apparatus that is provided with of adjustment mechanism, the projecting apparatus is connected with computer control system electricity, adjustment mechanism is connected with computer control system electricity.

Further, adjustment mechanism includes drive sprocket, driven sprocket and driving motor, and driving motor's main shaft is connected with drive sprocket, is provided with drive chain between drive sprocket and the driven sprocket, be fixed with the guide bar on the shop's cloth machine body, the last regulating plate that is provided with of drive chain, the vertical sliding connection of regulating plate and guide bar, be provided with the bracing piece on the regulating plate, the projecting apparatus is connected with the bracing piece.

Furthermore, the adjusting plate is rotatably connected with two guide wheels, and the two guide wheels are respectively positioned on two sides of the guide rod and are in rolling connection with the guide rod.

Furthermore, a tensioning mechanism is arranged on the adjusting mechanism and comprises an eccentric tensioning wheel, the driven chain wheel is sleeved on the eccentric tensioning wheel and is rotationally connected with the eccentric tensioning wheel, and the eccentric tensioning wheel is rotationally connected with the cloth spreading machine body.

Furthermore, the projector is rotatably connected with the supporting rod, and the rotating axis is perpendicular to the cloth spreading direction.

A method for positioning defective cut pieces on a cloth paving machine uses the device for assisting in positioning defective cut pieces, and comprises the following steps:

s1, setting laying data of a current fabric and data of garment pieces to be cut on a computer control system, setting a coordinate graph by taking a fabric plane as a reference plane, and controlling an adjusting mechanism to adjust the vertical height of a projector;

s2, starting the cloth paving machine to pave cloth, receiving a projection signal of the computer control system by the projector, and enabling the cut piece layout to be 1: the proportion of 1 is projected on the laid fabric, the surface of the fabric is scanned, projection scanning is carried out after each layer of fabric is laid, and then scanning data are uploaded to a computer control system for analysis;

when a flaw is scanned, the computer control system records the position data of the flaw on a rectangular coordinate, namely (X1, Y1);

if the coordinate of the flaw point is positioned on the fabric of the effective garment piece, the computer control system outputs the data of the garment piece where the flaw point is positioned, stores the data of the garment piece and the data of the position of the flaw point, and then informs an operator;

and if the coordinate of the flaw point is not on the fabric of the effective garment piece, the computer control system directly stores the flaw point data.

Further, in step S1, the current fabric laying data includes a total number P of fabric laying layers and a laying size, the panel data includes a panel number Q and panel sizes X2 and Y2, and the adjustment mechanism performs height adjustment according to the current number P of fabric laying layers.

Further, when the cloth paving machine in the step S2 lays a section of fabric with a length of L, the projector projects and scans the typesetting drawing with the length of L.

Compared with the prior art, the invention has the beneficial effects that: when a layer of fabric is laid on the cloth paving machine body, the computer control system controls the adjusting mechanism to adjust the projector to a proper height, then the projector projects the typesetting drawing of the garment piece on the laid fabric, then the fabric is detected, if a flaw point on the fabric is detected, the typesetting drawing is fed back to the computer control system, the computer control system analyzes the position of the flaw point, and if the flaw point is located on an effective cut garment piece, an operator is informed to process the flaw point, so that the processing time of the flaw garment piece is shortened, the circulation efficiency of normal cut pieces is improved, and the input cost of personnel and sites is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a device for assisting in positioning defective cut pieces according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a front view of the apparatus of the present invention in use for projection;

FIG. 4 is a top view of the apparatus of the present invention in use for projection;

FIG. 5 is a diagram of the position information of a defective tile displayed on the computer control system;

FIG. 6 is a flowchart illustrating a method for assisting in locating defective panels.

Reference numerals: 1. a cloth paving machine body; 2. a cutting device; 3. a computer control system; 4. an adjustment mechanism; 401. a drive sprocket; 402. a driven sprocket; 403. a drive chain; 404. an adjusting plate; 405. a guide bar; 406. a support bar; 407. a guide wheel; 408. an eccentric tension wheel; 5. a projector; 6. fabric; 7. garment pieces; 8. and (4) flaw points.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X1)", "longitudinal (Y1)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of protection of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" or "a number" means two or more unless explicitly specified otherwise.

The present invention is further explained with reference to fig. 1 to 6.

The utility model provides a device of assistance-localization real-time flaw cut-parts, is provided with cutting device 2 including spreading cloth machine body 1 on spreading cloth machine body 1, be provided with computer control system 3 on the cutting device 2, but be provided with vertical height-adjusting's adjustment mechanism 4 on spreading cloth machine body 1, be provided with projecting apparatus 5 on the adjustment mechanism 4, projecting apparatus 5 is connected with computer control system 3 electricity, adjustment mechanism 4 is connected with computer control system 3 electricity.

Preferably, the computer control system 3 is provided with a virtual plane coordinate graph of the current whole fabric 6, so that the cutting device 2 can be accurately controlled to accurately cut the garment piece 7.

As shown in fig. 1 to 6, the computer control system 3 can display the CAD layout of the garment pieces 7 of the current fabric 6 laying bed number, then the computer control system 3 respectively controls the adjusting mechanism 4 and the projector 5, then the adjusting mechanism 4 drives the projector 5 to move up and down for adjustment, and the CAD layout of the garment pieces 7 is adjusted according to the following ratio of 1: the actual proportion of 1 is projected on a laid fabric 6, the projector 5 scans the surface of the fabric 6, when a flaw 8 on the surface of the fabric 6 is scanned, the projector 5 feeds back to the computer control system 3, the computer control system 3 analyzes and stores the position of the flaw 8, and if the flaw 8 is not on an effective cut piece 7, the information of the flaw 8 is automatically filtered; if the flaw 8 is located on the effective cut piece 7, the number of layers of the fabric 6 where the flaw 8 is located, the plane position coordinate on the fabric 6, the serial number of the piece 7 where the flaw is located and the size of the piece 7 are generated, and an operator is informed to process the flaw by the operator.

During processing, an operator can cover a piece of fabric 6 with the same style slightly larger than the size of the garment piece 7 at the position of the garment piece 7 with the flaw 8, then continue laying the fabric, and cut the fabric 6 by the cutting device 2 after laying all the fabric; or after all the fabrics 6 of the bed are paved, the same fabric 6 with slightly larger size corresponding to the position of the defective garment piece 7 is put on the uppermost fabric 6 according to the stored information in the computer control system 3, if the same garment piece 7 with the defective defect 8 has a plurality of pieces (namely, the garment pieces 7 with the same number on different layers have the defective points 8), a plurality of pieces of the same fabric 6 with slightly larger size are stacked at the corresponding positions of the garment piece 7, and then the cutting device 2 cuts the garment pieces.

After cutting, an operator can reject the corresponding cut pieces 7 according to the information of the flaw points 8 displayed by the computer control system 3, the number of the cut pieces 7 is not insufficient, the processing time of the flaw cut pieces 7 is shortened, the circulation efficiency of normal cut pieces is effectively improved, and the input cost of a field and personnel is reduced.

Preferably, when the cloth paving machine body 1 lays each layer of fabric 6 in a moving manner, the projector 5 projects the garment piece 7 on a section of the fabric 6 which is laid first, and updates the garment piece in real time in a segmented manner along with the laying of the fabric 6, so that the projection effect and the detection capability of the projector 5 on the flaw 8 are improved.

As shown in fig. 2, the adjusting mechanism 4 preferably in this embodiment includes a driving sprocket 401, a driven sprocket 402 and a driving motor (not shown in the drawing), the driving motor is electrically connected to the computer control system 3, a main shaft of the driving motor is connected to the driving sprocket 401, a transmission chain 403 is disposed between the driving sprocket 401 and the driven sprocket 402, a guide rod 405 is fixed on the cloth spreading machine body 1, an adjusting plate 404 is disposed on the transmission chain 403, the adjusting plate 404 is vertically slidably connected to the guide rod 405, a support rod 406 is disposed on the adjusting plate 404, the projector 5 is connected to the support rod 406, the driving motor is started to drive the driving sprocket 401 to rotate, and then the transmission chain 403 is driven to drive the adjusting plate 404 on the chain to move up and down, and the adjusting plate 404 can move in the vertical direction through the guide rod 405, so that the projector 5 on the support rod 406 can be adjusted, guarantee the projection effect, and can accurately fix a position the height of projecting apparatus 5 through chain drive, and can not skid at the transmission in-process, further improve the projection effect of projecting apparatus 5 promptly.

As shown in fig. 2, two guide wheels 407 are rotatably connected to the adjusting plate 404, and the two guide wheels 407 are respectively located at two sides of the guide rod 405 and are in rolling connection with the guide rod 405, so as to improve the sliding efficiency of the adjusting plate 404 on the guide rod 405.

Preferably, two guide wheels 407 are provided as one set, and the adjusting plate 404 is provided with at least two sets, that is, two sides of the guide rod 405 are provided with at least two guide wheels 407, so as to adjust the guiding function of the adjusting plate 404 by height adjustment.

As shown in fig. 2, the adjusting mechanism 4 of the preferred embodiment is provided with a tensioning mechanism, the tensioning mechanism includes an eccentric tensioning wheel 408, the driven sprocket 402 is sleeved on the eccentric tensioning wheel 408 and is rotatably connected with the eccentric tensioning wheel 408, the eccentric tensioning wheel 408 is rotatably connected with the cloth paving machine body 1, and the driving chain 403 can be tensioned by rotating the eccentric tensioning wheel 408, so as to prevent the driving chain 403 from loosening and affecting the adjusting height of the projector 5.

Preferably, a fixing device is arranged between the eccentric tension wheel 408 and the cloth paving machine body 1, the fixing device can be a fixing nut, a rotating shaft is arranged on the eccentric tension wheel 408, the rotating shaft is in threaded connection with the fixing nut, and the rotation of the eccentric tension wheel 408 is prevented through the friction force between the screwed fixing nut and the cloth paving machine body 1; or the eccentric tension wheel 408 is connected with the main shaft of a tension motor, and the driving chain 403 can be tensioned by the tension motor whenever the height of the projector 5 needs to be adjusted.

Preferably, the projector 5 is rotatably connected with the support rod 406, and the rotation axis is perpendicular to the cloth spreading direction, that is, the projection effect of the projector 5 is further improved by rotating the projector 5.

As shown in fig. 6, a method for positioning defective cut pieces on a cloth spreading machine, using the device for assisting in positioning defective cut pieces, comprises the following steps:

s1, setting laying data of a current fabric 6 and data of garment pieces 7 to be cut on a computer control system 3, setting a coordinate graph by taking the plane of the fabric 6 as a reference surface, and controlling an adjusting mechanism 4 to adjust the vertical height of a projector 5;

s2, starting the cloth paving machine to pave cloth, receiving a projection signal of the computer control system 3 by the projector 5, and enabling the cut piece layout to be 1: the proportion of 1 is projected on the laid fabric 6, the surface of the fabric 6 is scanned, projection scanning is carried out after each layer of fabric 6 is laid, and then scanning data is uploaded to a computer control system 3 for analysis;

when the flaw 8 is scanned, the computer control system 3 records the position data of the flaw 8 on the rectangular coordinate, namely (X1, Y1);

if the coordinate of the flaw 8 is located on the fabric 6 of the effective garment piece 7, the computer control system 3 outputs the current fabric layer number P1 where the flaw 8 is located and the garment piece data, stores the garment piece data and the flaw position data, and then informs an operator;

if the coordinate of the flaw 8 is not on the fabric 6 of the effective garment piece 7, the computer control system 3 directly stores the flaw point data.

Preferably, in step S1, the current fabric 6 laying data includes a total number P of fabric laying layers and a laying size, the panel data includes a panel number Q and panel sizes X2 and Y2, and the adjusting mechanism 4 performs height adjustment according to the current number P of fabric laying layers.

Preferably, the panel dimensions X2 and Y2 are the length and width dimensions of the effective panel 7, that is, X2 is the dimension in the laying direction of the fabric 6, and Y2 is the dimension in the width direction of the fabric 6.

Preferably, when the cloth paving machine in step S2 lays a section of fabric 6 with a length L, the projector 5 projects and scans the layout drawing with the length L.

Preferably, the total number P of layers of paving can be any non-zero natural number; the serial number Q of the garment pieces is a non-zero natural number; the number of the current fabric layers P1 is a non-zero natural number not greater than P; the length L is an approximate number of the length of the fabric 6 in the laying direction.

As shown in fig. 5, in this embodiment, taking the laid fabric size as 2000mm × 1000mm and P ═ 20 as an example, when P1 is 1, if a defect point 8 is scanned, the computer control system 3 records the coordinates of the defect point at this time (367mm, 882mm), and at this time, the defect point 8 is located on the effective workpiece 7 with the workpiece number of 4, the computer control system 3 outputs data of (X1, Y1) ═ 367mm, 882mm), P1 ═ 1, Q ═ 4, and (X2 ═ 223mm, Y2 ═ 498 mm), and then stops the cloth laying machine and notifies the operator of the processing.

Preferably, the defective spot 8 is a defective surface with a certain size, that is, the coordinate of the defective spot 8 is the coordinate of any point in the defective surface, that is, the computer control system 3 randomly selects a point in the area covered by the defective spot 8 as the coordinate of the defective spot 8.

Preferably, L is 1000mm, that is, when the cloth paving machine lays each layer of fabric 6 to 1000mm, the cloth paving machine stops, and the projector 5 projects and scans the layout pattern of the 1000mm × 1000mm part in the CAD layout pattern, so as to project the whole layer of fabric 6 in a segmented manner, thereby improving the projection quality and the scanning effect.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.